A 20-kg projectile is fired with initial velocity, Ask an Expert

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A 2.0-kg projectile is fired with initial velocity componentsV0x=30 m/s andV0y=40m/s from a pointon the earth's surface. Neglect any effects due to airresistance.

A) How much work was done in firing the projectile?

B) What is the kinetic energy of the projectile when itreaches the highest point in its trajectory?

C) What is the gravitational potential energy at the highest point?

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Reference No.:- M91099642

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